XAL4040-153ME - 15uH Shielded Power Inductor | Coilcraft
Teilenummer: XAL4040-153ME ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $0.85 | $0,85 |
| 10 | $0.72 | $7,20 |
| 100 | $0.58 | $58,00 |
| 500 | $0.48 | $240,00 |
| 1.000 | $0.41 | $410,00 |
| 3.000 | $0.36 | $1.080,00 |
XAL4040-153ME Übersicht
What is a molded shielded power inductor? A power inductor is a passive magnetic component that stores energy in its magnetic field during the switch-on phase of a switching regulator and releases that energy into the load during the switch-off phase. Shielded inductors confine the magnetic flux inside a magnetic shield, reducing radiated EMI into nearby sensitive traces. The molded (composite) construction used by the XAL40xx family encapsulates the winding in a metal alloy composite that simultaneously shields the field and improves thermal conduction. In the power-management signal chain the inductor sits between the controller IC (PWM/PFM) and the output capacitor, forming the second stage of an LC low-pass filter. Molded inductors therefore live under the power management -> inductors -> shielded power inductors category, adjacent to discrete inductors, transformers, and chokes.
Key features include an inductance of 15 µH ±20%, a self-resonant frequency above 5 MHz, an operating temperature range of -40 °C to +125 °C, and AEC-Q200 automotive qualification. The composite core allows the part to hold 80% of its zero-bias inductance at rated Irms, which translates to low ripple and predictable current limit margins in temperature-stressed applications.
The XAL4040-153ME utilizes a flat wirewound winding on a pressed metal-composite core, bobbin-less for low-profile mounting. The 4 x 4 mm land pattern is JEDEC-compatible with standard 4040 footprints used by most low-voltage point-of-load regulators.
Typical applications include automotive LED headlight drivers, infotainment system POL converters, ADAS sensor power rails, industrial PoL modules, and 48 V to 12 V intermediate bus converters. The combination of automotive-grade reliability and small footprint also supports handheld and IoT devices that demand rugged inductive components.
When designing with this part, place the input and output capacitors as close to the regulator IC as the inductor allows, and verify saturation behavior at the worst-case DC bias and peak switching current rather than relying on the open-circuit inductance value alone. Thermal testing at maximum ambient is recommended for sealed enclosures.
This page combines distributor pricing, drop-in alternatives, and design notes that go beyond the manufacturer datasheet, giving engineers a single source for sourcing decisions, lifecycle checks, and PCB-level trade-off analysis.
Drop-in-Alternativen für XAL4040-153ME – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
XGL4040-153MEC
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
XAL4040-153MEC
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
XAL4040-153MEB
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
XAL4040-152MEC
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MSY4040-150M
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
XAL4040-153
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
XAL4040-153ME Grenzwerte & elektrische Eigenschaften
| Inductance | 15 µH |
| Inductance Tolerance | ±20% |
| RMS Current Rating (Irms) | 2.8 A |
| DC Resistance (DCR) | 120 mOhm (typical) |
| Betriebstemperaturbereich | -40 °C to +125 °C |
| Package Size | 4.0 x 4.0 mm |
| Shielding | Yes (magnetic shielded) |
| Montageart | Surface Mount |
| AEC-Q200 Qualification | Qualified |
| RoHS-Status | Compliant (tin-silver over copper) |
| Construction | Molded metal-composite |
XAL4040-153ME 4.0 x 4.0 mm Pinbelegungsleitfaden
Pinbelegung für XAL4040-153ME (4.0 x 4.0 mm-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für XAL4040-153ME.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
XAL4040-153ME ist geeignet für 7 Anwendungs: Automotive LED Headlight Driver, Automotive Infotainment POL Converter, ADAS Sensor Power Rail, Industrial 48 V to 12 V Intermediate Bus Converter, Portable IoT and Handheld Device Power, Server and Storage Point-of-Load Module, Drones and UAV Flight Controller Power.
Automotive LED Headlight Driver
The XAL4040-153ME fits automotive LED headlight and DRL buck/boost converters where a 15 µH inductor sustains multi-MHz switching without saturating under DC bias. Its 2.8 A Irms rating and 120 mOhm DCR keep conduction losses low, while the AEC-Q200 automotive-grade qualification handles underhood temperature swings from -40 °C to +125 °C. Compared with discrete drum-core inductors, the molded composite body of the XAL4040-153ME resists mechanical vibration and acoustic humming - both important in headlamp and DRL applications. Place the part between the controller IC and output capacitor, keep the loop small, and derate by 20% for continuous-operation reliability inside sealed lamp housings.
Empfohlen
Automotive Infotainment POL Converter
In infotainment and head-unit power trees, the XAL4040-153ME provides the energy-storage element in point-of-load converters stepping down from a 12 V or 24 V bus to logic rails such as 3.3 V and 1.8 V for SoCs and DSPs. The 15 µH inductance at 2.8 A Irms supports the regulation bandwidth needed for processor transients, while the molded construction cuts radiated EMI into adjacent RF antennas. AEC-Q200 qualification makes the part acceptable under vehicle OEM reliability programs. Pair the inductor with a multi-layer ceramic output capacitor and verify saturation margin under maximum load-step conditions per the XAL40xx datasheet's L vs Isat curve.
Empfohlen
ADAS Sensor Power Rail
The XAL4040-153ME serves as the inductor in ADAS camera, radar, and lidar sensor power modules that require clean, low-ripple rails at moderate currents. The molded shielded construction confines magnetic flux inside the 4 x 4 mm body, lowering radiated EMI into adjacent RF receiver channels - a critical concern in radar and lidar front-ends. AEC-Q200 qualification and the 125 °C maximum operating temperature allow placement near sensor housing hotspots. Designers should keep the input/output loop area small and use a low-ESR ceramic output capacitor to fully exploit the inductor's low-DCR, low-ripple characteristics.
Empfohlen
Industrial 48 V to 12 V Intermediate Bus Converter
In industrial 48 V telecom and factory-automation intermediate bus converters that step down to 12 V distribution rails, the XAL4040-153ME provides the energy-storage inductor for the primary or secondary side of an isolated or non-isolated topology. The 2.8 A Irms and 120 mOhm DCR support continuous current at the typical 12 V rail loading. Its shielded construction reduces EMI in densely populated backplane designs, while the 4 x 4 mm footprint keeps the converter footprint compact. For systems that demand additional isolation, follow the part with a coupled inductor or transformer in the same Coilcraft 40xx family footprint.
Empfohlen
Portable IoT and Handheld Device Power
In battery-powered IoT nodes, wearables, and handheld terminals, the XAL4040-153ME serves as the inductor in compact boost or buck-boost converters that regulate from a single-cell Li-ion or Li-polymer battery. The 15 µH value supports multi-MHz switching that minimizes output capacitance, while the 2.8 A Irms and low DCR maximize run-time by reducing conduction loss. Although not AEC-Q200-specific, the molded composite body tolerates mechanical shock better than discrete drum-core inductors, making it a robust choice for portable applications. Derate by 30% for continuous handheld operation to stay within the temperature ceiling.
Empfohlen
Server and Storage Point-of-Load Module
In server and storage power modules that step 12 V down to sub-1 V core voltages for CPUs, ASICs, and memory, the XAL4040-153ME can serve as an output energy-storage inductor in single-phase or multi-phase buck converters. Although multi-phase VRM designs typically use lower-inductance parts, the 4 x 4 mm XAL family supports peripheral rails at moderate loads. The 120 mOhm DCR and 2.8 A Irms balance efficiency and thermal performance for legacy PoL rails in storage controllers and BMC management processors, with the molded construction keeping audible noise - a known issue in ferrite-core inductors - to a minimum.
Empfohlen
Drones and UAV Flight Controller Power
In drone and UAV flight-controller power trees, the XAL4040-153ME provides the energy-storage inductor for buck regulators that deliver clean 5 V or 3.3 V rails to autopilot MCUs, IMUs, and GPS receivers. The molded construction tolerates vibration from motors and propellers better than discrete ferrite inductors. The 15 µH inductance at 2.8 A Irms supports the multi-MHz switching required to keep the power stage compact and lightweight - critical for UAV flight-time budgets. Verify derating against the operating-altitude temperature profile and ensure adequate clearance between the inductor and magnetically sensitive compass or magnetometer components.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für XAL4040-153ME – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | XGL4040-153MEC | XAL4040-153MEC | XAL4040-153MEB | MSY4040-150M | XAL4040-153 |
|---|---|---|---|---|---|---|
| Inductance | 15 µH | 15 µH | 15 µH | 15 µH | 15 µH | 15 µH |
| Irms | 2.8 A | 2.8 A (typical, confirm against datasheet) | 2.8 A | 2.8 A | 2.8 A | 2.8 A |
| DCR (typical) | 120 mOhm | lower DCR (XGL family) | 120 mOhm | 120 mOhm | 120 mOhm | 120 mOhm |
| Package Size | 4.0 x 4.0 mm | 4.0 x 4.0 mm - same | 4.0 x 4.0 mm - same | 4.0 x 4.0 mm - same | 4.0 x 4.0 mm - same | 4.0 x 4.0 mm - same |
| Brand | Coilcraft | Coilcraft | Coilcraft | Coilcraft | Coilmx | Coilcraft |
| Shielding | Yes (molded) | Yes (molded) | Yes (molded) | Yes (molded) | Yes (molded) | Yes (molded) |
| RoHS Status | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Wichtigste Unterscheidungsmerkmale
- AEC-Q200 qualified with broad operating temperature range (vs. MSY4040-150M (Coilmx))
- Coilcraft-recommended second source within the same family (vs. XGL4040-153MEC (Coilcraft))
- Same-footprint packaging variants simplify stocking (vs. XAL4040-153 (no suffix) and XAL4040-153MEB)
Designhinweise
Estimated: at 2.8 A Irms and 120 mOhm DCR, copper loss is roughly 0.94 W. With a typical molded-package thermal resistance of around 50 °C/W (verify against the XAL40xx datasheet), junction-to-ambient temperature rise is approximately 47 °C above ambient. Inside sealed automotive headlamp or industrial housings where ambient may reach 85 °C, the part may approach its 125 °C limit; derate continuous current by 20% for sealed enclosures and provide copper thermal relief on the PCB lands.
Use the recommended 4.0 x 4.0 mm land pattern from the XAL40xx datasheet page 2 with two SMD pads at opposite ends of the body. Minimize the switching-current loop between the inductor, input/output capacitors, and the high-side/low-side FETs to reduce radiated EMI and ringing. The shielded molded body tolerates close placement to signal traces, but keep a 2 mm clearance to magneto-sensitive components such as Hall sensors or compasses to avoid residual coupling.
Do not design against the zero-bias 15 µH value alone - in a buck or boost converter the inductor sees substantial DC bias and the effective inductance can fall by 20-30% before saturation. Consult the L vs Isat curve in the XAL40xx datasheet for the worst-case operating point, especially for automotive LED drivers and PoL converters where peak current can be 30-50% above steady-state. Always verify thermal performance at maximum continuous RMS current, not just peak, since thermal saturation is the more frequent failure mode for molded power inductors.
Compliance-Informationen
RoHS compliant tin-silver over copper per Coilcraft XAL40xx datasheet. AEC-Q200 qualified for automotive use; AEC-Q100 status not applicable (passive component).
